<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>27-jQuery事件自动触发</title> <style> * { margin: 0; padding: 0; } .father { width: 200px; height: 200px; background: red; } .son { width: 100px; height: 100px; background: blue; } </style> <script src="js/jquery-1.12.4.js"></script> <script> $(function () { // $(".son").myClick(function(){ // alert("son"); // }); /* 想要自定义事件，必须满足两个条件 1. 事件必须通过on绑定 2. 事件必须通过trigger触发 */ $(".son").on("myClick",function () { alert("son"); }); $(".son").trigger("myClick"); }); </script> </head> <body> <div class="father"> <div class="son"></div> </div> <a href="http://www.baidu.com">我是百度</a> <form action="http://www.taobao.com"> <input type="text"> <input type="submit"> </form> </body> </html>